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- Title
Biorefinery of food and beverage waste valorisation for sugar syrups production: Techno-economic assessment.
- Authors
Tsz Him Kwan; Khai Lun Ong; Haque, Ariful; Kulkarni, Sandeep; Sze Ki Lin, Carol
- Abstract
Techno-economic analysis was conducted to evaluate a food and beverage (F&B) waste valorisation process for sugar syrup production via integrated biorefinery. A comprehensive process model was developed with a capacity of 10 metric tons (MT) hour-1 of food waste and 14 MT hour-1 of beverage waste. Three scenarios were proposed with different types of sugar syrups as the main products: Scenario 1) fructose syrup, Scenario 11) high fructose syrup-42, and Scenario III) glucose-rich syrup. Mass balance showed conversion yields of 0.24 MT sugar syrups per MT of F&B waste, while lipids (0.07 MT per MT of F&B waste) and insect feed (0.44 MT per MT of F&B waste) were the co-products proposed to be used for other industrial biorefinery processes. All scenarios were observed to be economically self-sustainable with net profit generation (US$11 -26 million year-1) and positive net present values (USS92-294 million). Along with the net production costs (USS443-665 MT~1), the sugar syrups derived from the F&B waste have relatively low minimum selling prices of US$157-747 MT-1 at a 5% discount rate. Lastly, sensitivity analysis was performed which found that the prices of sugar syrups were the largest determinants of their profitability. This study proposes a significant techno-economic basis for F&B waste biorefinery, which offers a successful demonstration for food and drink industries adopting these biotechnological processes for the same plant size.
- Subjects
GLUCOSE; FRUCTOSE; PROFITABILITY; SENSITIVITY analysis; INDUSTRIAL costs
- Publication
Process Safety & Environmental Protection: Transactions of the Institution of Chemical Engineers Part B, 2019, Vol 121, p194
- ISSN
0957-5820
- Publication type
Article
- DOI
10.1016/j.psep.2018.10.018